Table 2 Morphological and cultural characteristics of the isolated bacteria.
Test | B. cereus | S. aureus | P. aeruginosa | E. coli |
|---|---|---|---|---|
Shape of colony | Flat | Raised, circular, entire | Flat | Low convex, entire |
Texture | Rigid | Smooth | Smooth | Smooth |
Pigmentation | Clear | Goldy yellow | Blue greenish | Clear |
Motility | + | - | + | + |
Oxygen requirements | Aerobic | Aerobic | Aerobic | Facultative aerobe |
Gram reaction | G + ve | G + ve | G-ve | G-ve |
Cell shape | Rods single or pairs | Cocci in clusters | Short single rods | Short single rods |
Sporulation | + | - | - | - |
Capsule | - | - | - | - |
Coagulase | + | + | - | - |
Hemolysis on blood agar | β | β | β | γ |
